Extending the plugin

You can use the plugin events to expand its functionality:

<?php
use Shohabbos\BookShop\Models\Order;

Event::listen('shohabbos.payme.existsAccount', function ($accounts, &$result, &$message) {
    // find order or account
    $result = Order::find($accounts['order_id']);
});

Event::listen('shohabbos.payme.performTransaction', function ($transaction, &$result, &$message) {
    // check order as paid or fill user balance
    $order = Order::find($transaction->owner_id);
    $order->is_paid = 1;
    $result = $order->save();
});

Event::listen('shohabbos.payme.cancelTransaction', function ($transaction, &$result, &$message) {
    // check order as cancelled or take away from user balance
    $order = Order::find($transaction->owner_id);
    $order->is_paid = 0;
    $result = $order->save();
});